Roadway Elevation Profile Generation for Vehicle Simulation |
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Authors: | R C Redfield D C Karnopp |
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Institution: |
a Department of Mechanical Engineering, Texas A&M University, College Station, TX
b Department of Mechanical Engineering, University of California, Davis, CA |
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Abstract: | With a simplified approach for creating road surface elevation information for simulation of vehicle vertical response to roadway unevenness, roadways for single and parallel track simulations and averaged roads for variable velocity simulation are developed. Sets of correctly chosen random roadway slopes are averaged appropriately for the variable velocity simulation. The procedure generates approximately “white” slope spectral density roadways in the frequency ranges of interest, and the elevation profiles are representative of average road profiles. The method is simple in practice yet suffices for many parameter studies of suspensions and vehicle dynamics. |
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